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 NJM2624A
BRUSH LESS DC MOTOR PRE-DRIVER
sGENERAL DESRIPTION The NJM2624A is a 3-phase brushless DC motor pre-driver which requires external power-transistors suited to drive current of the motor. The Run Enable function is used as PWM control besides of ON/OFF switched function.
sPACHAGE OUTLINE
NJM2624AD
NJM2624AM
sFEATURES qOperating Voltage qLow Operating Current qRun Enable qForward or Reverse Direction qOutput Switch Current qBipolar Technology qPackage Outline
NJM2624AV (V+=4.5V to 18V) (10mA max.)
(90mA typ.) DIP16, DMP16, SSOP16
sPIN CONFIGRATION
1 2 3 4 5 6 7 8
16 15 14 13 12 11 10 9
PIN FUNCTION 1.H12.H1+ 3.H2+ 4.H25.H36.H3+ 7.FR 8.V+ 9.GND 10.ON/OFF 11.OUT1 12.OUT3 13.OUT5 14.OUT6 15.OUT4 16.OUT2
Ver 1.0 - 1 -
NJM2624A
sBLOCK DIAGRAM
Forward or Reverse 7 ON/OFF 10
Hall Amp 1 H1+ 2 H11 Hall Amp 2 H2+ 3 H24 Hall Amp 3 H3+ 6 H35
Pre-Driver 1 11 16 Pre-Driver 2 OUT1 OUT2
ENCODER
12 15 Pre-Driver 3 13 14
OUT3 OUT4
OUT5 OUT6
8 + V
9 GND
sABSOLUTE MAXIMUM RATINGS (Ta=25C) PARAMETER SYMBOL Supply Voltage V+ Output Current IO Power Dissipation PD Operating Temperature Range Storage Temperature Range Topr Tstg
RATINGS 20 100 (DIP16) 700 (DMP16) 350 (SSOP16) 300 -25 +85 -40 +150
UNIT V mA mW C C
-2-
NJM2624A
sELECTRICAL CHARACTERISTICS (V+=12V, Ta=25C) Total Device PARAMETER Supply Voltage Supply Current
SYMBOL V ICC
+
TEST CONDTIONS RL= ON/OFF Terminal=OPEN
MIN. 4.5 -
TYP. - 3.7
MAX. 18 10
UNIT V mA
Hall Sensor Section Input Offset Voltage Input Common mode Voltage range Input Bias Current Output Section Output Voltage 1 Output Voltage 2 Maximum Output Current 1 Maximum Output Current 2 Output Leak Current Run Enable Section Run Enable Voltage Run Disable Voltage Output Voltage Undefined Area Source Current 1
VIO VICM IB
RL=470 RL=470
-4.2 1.5 -
- - -
4.2 10.5 600
mV V nA
VOUT1 VOUT2 IOUT1 IOUT2 ILEAK
RL=470, V+=12V RL=470, V+=5V RL=100, V+=12V RL=100, V+=5V
8.9 - 50 - -
9.5 3.5 90 30 -
- - - - 5
V V mA mA A
VON VOFF VO-undef ION1
RL=470 RL=470 RL=470 ON/OFF Terminal=GND
1/2V++0.5 - 1/2V+-0.5 -
- - 1/2V+ 250
- 1/2V+-0.5 1/2V++0.5 400
V V V A
Forward or Reverse Direction Section Forward Direction VF RL=470 1/2V++0.5 Reverse Direction VR RL=470 - F/R Logic VSW-undef RL=470 1/2V+-0.5 Undefined Area Source Current 2 ION2 Forward or Reverse - Terminal=GND
- - 1/2V+ 250
- 1/2V+-0.5 1/2V++0.5 400
V V V A
-3-
NJM2624A
sTERMINAL DESCRIPTION Pin No, 2 3 6 1 4 5 7 SYMBOL H1+ H2+ H3+ H1H2H3F/R FUNCTION Sensor Input 1 Non-Inverting Terminal Sensor Input 2 Non-Inverting Terminal Sensor Input 3 Non-Inverting Terminal Sensor Input 1 Inverting Terminal Sensor Input 2 Inverting Terminal Sensor Input 3 Inverting Terminal Forward or Reverse Direction Terminal
V+ GND
INSIDE EQUIVALENT CIRCUIT
V+
H500 500
H+
50k
50k
F/R
50k
GND
-4-
NJM2624A
sTERMINAL DESCRIPTION Pin No, 8 9 10 SYMBOL V+ GND ON/OFF FUNCTION Power Supply Ground Output Run Enable Terminal
V+
INSIDE EQUIVALENT CIRCUIT - -
50k
50k
ON/OFF
50k
GND
11 16 12 15 13 14
OUT1 OUT2
Internal Switching Transistor Emitter Follower
V+
OUT3 OUT4 OUT5 OUT6
150k OUT GND
-5-
NJM2624A
sTYPICAL APPLICATION
V+
H1+
F/R
ON/OFF
OUT1
H1-
OUT2
H2+
OUT3
NJM2624A
H2OUT4 H3+ OUT5
H3-
V+
GND
OUT6
=Hall Sensors
sTIMING CHART
7PIN =open (high)
Phase-U Input
Phase-V Input
Phase-W Input
Output ON/OFF Control Voltage 11 Pin Output
12 Pin Output
13 Pin Output
16 Pin Output
15 Pin Output
14 Pin Output
-6-
NJM2624A
sTIPICAL CHARACTERISTICS
Supply Current vs. Supply Voltage (Ta=25C) Output Voltage Vout (V) Input vs. Output Offset + (V =12V,RL=470,Ta=25C)
5 Supply Current Icc (mA) 4 3 2 1 0 0
12 10 8 6 4 2 0
16pin
15pin
5
10
+
15
20
-1
-0.5
0
0.5
1
Supply Voltage V (V) Input Bias Current vs. Supply Voltage + (Input=1/2V ,Ta=25C) Output Voltage Vout (V)
Input Offset Voltage VIO (mV) Output Voltage vs. Forward or Reverse Voltage + (V =12V,RL=470,Ta=25C) 12 10 8 6 4 2 0 5.94
60 Input Bias Current I B (nA) 50 40 30 20 10 0 0
5
10
+
15
20
5.96
5.98
6
6.02
6.04
6.06
Supply Voltage V (V)
Forward or Reverse Voltage V (V) Output Voltage vs. Output ON/OFF Voltage + (V =12V,RL=470,Ta=25C)
12 Output Voltage Vout (V) 10 8 6 4 2
0 5.94
5.96
5.98
6
6.02
6.04
6.06
Output ON/OFF Voltage (V)
-7-
NJM2624A
sTIPICAL CHARACTERISTICS
Maximum Output Current vs.Temperature + (V =12V,RL=100) Supply Current Icc (mA) Supply Current vs.Temperature + ) (V =12V,RL=
110 Maximum Output Current Iout (mA)
5 4 3 2 1 0
105
100
95
90 -50 -25 0 25 50 75 100 Ambient Temperature Ta (C) Output Leak Current vs.Temperature + (V =12V,RL=0) Input Bias Current I B (nA)
-50
-25
0
25
50
75
100
Ambient Temperature Ta (C) Input Bias Current vs.Temperature + + (V =12V,Input=1/2V )
Output Leak Current ILEAK (nA)
10
50 40 30 20 10 0
1
0.1
0.01
0.001 -50 -25 0 25 50 75 100 Ambient Temperature Ta (C)
-50
-25
0
25
50
75
100
Ambient Temperature Ta (C)
[CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights.
-8-


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